20590857

素因数分解:

$3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1549}}^1$

素因数の和:1773

約数の個数: 24

約数和(自身を含む): 34174400

約数和(自身を除く): 13583543

約数列:

[1, 3, 7, 9, 21, 63, 211, 633, 1477, 1549, 1899, 4431, 4647, 10843, 13293, 13941, 32529, 97587, 326839, 980517, 2287873, 2941551, 6863619, 20590857]

約数ペア:

[(1, 20590857), (3, 6863619), (7, 2941551), (9, 2287873), (21, 980517), (63, 326839), (211, 97587), (633, 32529), (1477, 13941), (1549, 13293), (1899, 10843), (4431, 4647)]